details |
Barremian |
Albian |
Maryland |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
details |
Aptian |
|
USSR(Siberia) |
Boytsova,E.P. et al. Spread of angiosperm plants on the Territory of the Asiatic Part of the USSR (on palynological data). (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
details |
Liassic |
|
USSR(Kazakh SSR) |
Aliev,M.M. et al. Jurassic continental deposits of eastern Central Asia, (dating, division, correlation). |
1981 |
details |
Late Jurassic |
Early Albian |
China(Tsinghai) |
Yu,J. et al. Late Jurassic and Early Cretaceous palynological assemblages from Minhe Basin, Qinghai and Gansu Provinces. |
1982 |
details |
Late Jurassic |
Early Albian |
China(Kansu) |
Yu,J. et al. Late Jurassic and Early Cretaceous palynological assemblages from Minhe Basin, Qinghai and Gansu Provinces. |
1982 |
details |
Maastrichtian |
|
Mexico(Coahuila) |
Martnez-HernЎndez,E. et al. Palynological study for the determination of the environment of the Fuentes-Rio Escondido Basin (Upper Cretaceous), Piedras Negras Region, Coahuila. |
1982 |
details |
Valanginian |
|
USSR(Urals) |
Smirnova,S.B. Palynocomplexes of Jurassic - Cretaceous boundary deposits of Crimea, Caucasus and Pre-Caspian. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
original |
Kimmeridgian |
Early Valanginian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
details |
Middle Jurassic |
|
Michigan |
Cross,A.T. Source and correlation of the Jurassic Redbeds of the Michigan Basin, USA. |
1984 |
details |
Early Jurassic |
|
China |
Qian,L. et al. Characteristics of the sporo-pollen assemblage of the Jurassic Coal-bearing strata in China |
1984 |
details |
Late Triassic |
Barremian |
Nd |
Hughes,N.F. Mesosperm palynoloigic evidence and ancestors of angiosperms. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |
details |
Bajocian |
Tithonian |
Nd |
Hughes,N.F. Cretaceous plant taxonomy and angiosperm ancestors -Sources of difficulty |
1984 |
details |
Late Neogene |
|
Taiwan |
Huang,T.-C. et al. Pollen analysis of Taiwan Pliocene. (I.) Chuhuangkeng section. |
1984 |
details |
Jurassic |
|
USSR(Siberia) |
Zakharov,V.A. et al. Jurassic system. (In: The Phanerozoic of Siberia (Mesozoic-Cenozoic). Volume 2. I.S.Tsitovich, editor) |
1984 |
details |
Berriasian |
|
Maryland |
Doyle,J.A. Palynological evidence for a Berriasian age of Basal Potomac Group sediments, Crisfield Well, eastern Maryland. |
1984 |
details |
Hauterivian |
|
California |
Jensen,K.G. Upper Jurassic to Upper Cretaceous, (Tithonian-Turonian), pollen spores of the Great Valley Sequence, northwestern California, USA. |
1984 |
details |
Early Cretaceous |
|
Canada(Saskatchewan) |
Nambudiri,E.M.V. Palynology of Lower Cretaceous Mannville Group sediments |
1985 |